/*
* Copyright 2011 Pavel Kozhin 
*
* Licensed under the Apache License, Version 2.0 (the "License"); 
* you may not use this file except in compliance with the License. 
* You may obtain a copy of the License at 
* 
* http://www.apache.org/licenses/LICENSE-2.0
* 
* Unless required by applicable law or agreed to in writing, software 
* distributed  under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
* See the License for the specific language governing permissions and 
* limitations under the License.
*
* Author: Pavel Kozhin.
*/
package org.etherframework.core.utils
{
	import flash.utils.Dictionary;
	
	import org.etherframework.common.Access;
	import org.etherframework.common.DomainAccess;

	public class AccessValidator
	{
		private static const ACCESS_DICTIONARY:Dictionary = initAccessDictionary();
		private static const DOMAIN_DICTIONARY:Dictionary = initDomainDictionary();
		
		public static function validateAccess(value:String):void
		{
			if (!ACCESS_DICTIONARY[value])
				throw new ArgumentError("Wrong access type '" + value + "'. " +
					"Valid values are: '" + Access.GLOBAL + "', '"+Access.HIERARCHICAL+
					"', '"+Access.LOCAL+"'.");
		}
		
		public static function validateDomain(value:String):void
		{
			if (!DOMAIN_DICTIONARY[value])
				throw new ArgumentError("Wrong domain type '" + value + "'. " +
					"Valid values are: '" + DomainAccess.SINGLE + "', '" +
					DomainAccess.MULTIPLE + "'.");
		}
		
		private static function initDomainDictionary():Dictionary
		{
			var result:Dictionary = new Dictionary();
			
			result[DomainAccess.MULTIPLE] = DomainAccess.MULTIPLE;
			result[DomainAccess.SINGLE] = DomainAccess.SINGLE;
			
			return result;
		}
		
		private static function initAccessDictionary():Dictionary
		{
			var result:Dictionary = new Dictionary();
			
			result[Access.GLOBAL] = Access.GLOBAL;
			result[Access.HIERARCHICAL] = Access.HIERARCHICAL;
			result[Access.LOCAL] = Access.LOCAL;
			
			return result;
		}
	}
}